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// Portions Copyright [2018] Payara Foundation and/or affiliates

package com.sun.enterprise.admin.launcher;

import com.sun.enterprise.universal.glassfish.GFLauncherUtils;
import java.io.*;
import java.util.*;

/**
 * This class wraps the profiler element in java-config
 * Note that the V2 dtd says that there can be generic property elements in the
 * profiler element.  I don't know why anyone would use them -- but if they do I 
 * turn it into a "-D" System Property
 * @author Byron Nevins
 */
public class Profiler {
    
    Map<String, String> config;
    List<String> jvmOptions;
    private final boolean enabled;

    Profiler(Map<String, String> config, List<String> jvmOptions, Map<String, String> sysProps) {
        this.config = config;
        enabled = Boolean.parseBoolean(this.config.get("enabled"));
        this.jvmOptions = jvmOptions;
        jvmOptions.addAll(getPropertiesAsJvmOptions(sysProps));
    }

    List<String> getJvmOptions() {
        if (!enabled) {
            return Collections.emptyList();
        }
        return jvmOptions;
    }

    Map<String, String> getConfig() {
        if (!enabled) {
            return Collections.emptyMap();
        }
        return config;
    }

    List<File> getClasspath() {
        if (!enabled) {
            return Collections.emptyList();
        }

        String cp = config.get("classpath");

        if (GFLauncherUtils.ok(cp)) {
            return GFLauncherUtils.stringToFiles(cp);
        }
        else {
            return Collections.emptyList();
        }
    }

    List<File> getNativePath() {
        if (!enabled) {
            return Collections.emptyList();
        }

        String cp = config.get("native-library-path");

        if (GFLauncherUtils.ok(cp)) {
            return GFLauncherUtils.stringToFiles(cp);
        }
        else {
            return Collections.emptyList();
        }
    }

    boolean isEnabled() {
        return enabled;
    }

    private List<String> getPropertiesAsJvmOptions(Map<String, String> props) {
        List<String> list = new ArrayList<String>();
        Set<Map.Entry<String, String>> entries = props.entrySet();

        for (Map.Entry<String, String> entry : entries) {
            String name = entry.getKey();
            String value = entry.getValue();

            if (value != null)
                list.add("-D" + name + "=" + value);
            else
                list.add("-D" + name);
        }
        return list;
    }
    
}
